Finding the Fourth Proportional to 430,119.84, 593,531.76 and 239,121.60
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Solution
The fourth proportional to 430,119.84, 593,531.76 and 239,121.60 is: 329,969.12
Step by Step Solution
- Step 1: Write the proportion equation
430,119.84 : 593,531.76 = 239,121.60 : x - Step 2: Convert to fraction form
430,119.84/593,531.76 = 239,121.60/x - Step 3: Cross multiply
430,119.84x = 593,531.76 × 239,121.60 - Step 4: Simplify right side
430,119.84x = 141,926,264,102.02 - Step 5: Solve for x
x = 141,926,264,102.02/430,119.84 - Step 6: Final answer
x = 329,969.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.